CVE-2021-41363

Local security-boundary bypass

Published Oct 13, 2021 · Updated Aug 4, 2024

Security feature bypass in Microsoft Intune Management Extension before 1.45.204.0 allows local users to cross a security boundary. Microsoft has not published the affected component, the faulty operation, or the local actions that trigger the bypass. Exploitation requires low-privileged local access and high complexity, with bounded confidentiality and integrity effects and no service interruption.

CVSS severity4.2
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Security feature bypass in Microsoft Intune Management Extension before 1.45.204.0 allows local users to cross a security boundary. Microsoft has not published the affected component, the faulty operation, or the local actions that trigger the bypass. Exploitation requires low-privileged local access and high complexity, with bounded confidentiality and integrity effects and no service interruption.

The record

CVE
CVE-2021-41363
Published
Oct 13, 2021
Updated
Aug 4, 2024
Vendor
Microsoft
Product
Microsoft Intune Management Extension
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.0 <1.45.204.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft Intune Management Extensionversion=1.0.0.0 <1.45.204.0

Published CVSS scores

6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.4NIST NVDAV:L/AC:M/Au:N/C:P/I:P/A:P
4.2Microsoft CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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